Cisco uBR-3x10 Hardware Installation And Cabling Manual page 106

Connecting the Cables (Cisco uBR-MC28x Line Card)
Figure 5-14
Cabling DS Ports to the Input Ports on the Upconverter
This section describes cabling from the Cisco uBR7246VXR line cards DS ports to the upconverter.
The Cisco uBR-MC28U cable interface line cards have onboard upconverters and are cabled directly to
Note
the DS ports (F, M, or G) on the RF switch.
Equipment
•
To cable the DS ports to the upconverter, complete the following steps. Refer to
page
Connect the cables to the downstream connectors (DS0, DS1) on the line cards (LC1–LC4).
Step 1
Step 2 Secure the cables with cable wrap, and run the cable bundles up the right side of the equipment rack.
Step 3 Pull the cable bundle through the space between the VXR1 router and the RF switch. Add a 10-dB
attenuator to the DS cables, if necessary.
Step 4 Connect the cables to the input ports (top) on the upconverter.
Step 5 Repeat Step 1 through Step 4 for each DS0 and DS1 port on the Cisco uBR7246VXR routers (VXR2
through VXR5).
Figure 5-15 on page 5-21
•
•
Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide
5-20
Cabling the Protect Line Cards (MC28C)
5 cable bundles —(F-connector to F-connector—multicolor)
5-21, and Table 5-15, Table
shows cabling for the upconverter.
From the DS ports of the line cards to the upconverter—multicolored cables
From the upconverter to the RF switch—gray and brown cables
Chapter 5 Cabling the RF Switch With the Cisco uBR7246VXR CMTS
P1A-P1H
LC2
LC4
5-16, and Table 5-17 on page
P2A-P2H
RFS-2
LC1
RFS-1
LC3
Figure 5-15 on
5-22.
OL-1984-06